Finding the Fourth Proportional to 2,065,456.02, 2,849,445.17 and 1,289,740.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,456.02 : 2,849,445.17 = 1,289,740.17 : x
2. Step 2: Convert to fraction form
   2,065,456.02/2,849,445.17 = 1,289,740.17/x
3. Step 3: Cross multiply
   2,065,456.02x = 2,849,445.17 × 1,289,740.17
4. Step 4: Simplify right side
   2,065,456.02x = 3,675,043,891,512.78
5. Step 5: Solve for x
   x = 3,675,043,891,512.78/2,065,456.02
6. Step 6: Final answer
   x = 1,779,289.35